9078791040 has 896 divisors, whose sum is σ = 37325512800. Its totient is φ = 2090188800.

The previous prime is 9078791023. The next prime is 9078791123. The reversal of 9078791040 is 401978709.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 148832610 + ... + 148832670.

Almost surely, 2^9078791040 is an apocalyptic number.

9078791040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9078791040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18662756400).

9078791040 is an abundant number, since it is smaller than the sum of its proper divisors (28246721760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9078791040 is a wasteful number, since it uses less digits than its factorization.

9078791040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 9078791040 is about 95282.6901383457. The cubic root of 9078791040 is about 2086.1362679772.

The spelling of 9078791040 in words is "nine billion, seventy-eight million, seven hundred ninety-one thousand, forty".